[ERROR] [1581252305.759921866]: [registerPublisher] Failed to contact master at [localhost:11311]. Retrying…
如果出现上述问题,你应该没有在终端启动roscore
[ERROR] [1581252305.759921866]: [registerPublisher] Failed to contact master at [localhost:11311]. Retrying…
如果出现上述问题,你应该没有在终端启动roscore